CVE-2021-3979
ceph - security update
6.5
MEDIUM
CVSS 3.1
EPSS 0.27%
Description
A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encryption algorithm to create a non random key, which is weaker and can be exploited for loss of confidentiality and integrity on encrypted disks.
How to fix CVE-2021-3979
To remediate CVE-2021-3979, upgrade the affected package to a fixed version below.
- —upgrade to 14.2.21-1+deb11u1 or later
- —upgrade to 14.2.21-1+deb11u1 or later
Is CVE-2021-3979 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 14.2.21-1+deb11u1
- from 0, < 14.2.21-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |